package com.genersoft.iot.vmp.service.impl;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.JSONObject;
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import com.genersoft.iot.vmp.common.StreamInfo;
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import com.genersoft.iot.vmp.conf.UserSetup;
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import com.genersoft.iot.vmp.gb28181.bean.Device;
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import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
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import com.genersoft.iot.vmp.gb28181.event.SipSubscribe;
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import com.genersoft.iot.vmp.gb28181.session.VideoStreamSessionManager;
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import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
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import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
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import com.genersoft.iot.vmp.media.zlm.ZLMHttpHookSubscribe;
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import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
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import com.genersoft.iot.vmp.media.zlm.dto.MediaServerItem;
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import com.genersoft.iot.vmp.service.IMediaServerService;
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import com.genersoft.iot.vmp.service.bean.SSRCInfo;
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import com.genersoft.iot.vmp.storager.IRedisCatchStorage;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
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import com.genersoft.iot.vmp.utils.redis.RedisUtil;
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import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
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import com.genersoft.iot.vmp.vmanager.gb28181.play.bean.PlayResult;
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import com.genersoft.iot.vmp.service.IMediaService;
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import com.genersoft.iot.vmp.service.IPlayService;
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import gov.nist.javax.sip.stack.SIPDialog;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Service;
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import org.springframework.util.ResourceUtils;
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import org.springframework.web.context.request.async.DeferredResult;
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import java.io.FileNotFoundException;
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import java.util.Objects;
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import java.util.UUID;
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@SuppressWarnings(value = {"rawtypes", "unchecked"})
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@Service
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public class PlayServiceImpl implements IPlayService {
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private final static Logger logger = LoggerFactory.getLogger(PlayServiceImpl.class);
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@Autowired
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private IVideoManagerStorager storager;
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@Autowired
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private SIPCommander cmder;
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@Autowired
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private IRedisCatchStorage redisCatchStorage;
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@Autowired
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private RedisUtil redis;
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@Autowired
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private DeferredResultHolder resultHolder;
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@Autowired
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private ZLMRESTfulUtils zlmresTfulUtils;
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@Autowired
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private IMediaService mediaService;
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@Autowired
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private IMediaServerService mediaServerService;
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@Autowired
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private VideoStreamSessionManager streamSession;
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@Autowired
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private UserSetup userSetup;
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@Override
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public PlayResult play(MediaServerItem mediaServerItem, String deviceId, String channelId, ZLMHttpHookSubscribe.Event hookEvent, SipSubscribe.Event errorEvent) {
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PlayResult playResult = new PlayResult();
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RequestMessage msg = new RequestMessage();
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String key = DeferredResultHolder.CALLBACK_CMD_PLAY + deviceId + channelId;
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msg.setKey(key);
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String uuid = UUID.randomUUID().toString();
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msg.setId(uuid);
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playResult.setUuid(uuid);
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DeferredResult<ResponseEntity<String>> result = new DeferredResult<>(userSetup.getPlayTimeout());
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playResult.setResult(result);
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// 录像查询以channelId作为deviceId查询
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resultHolder.put(key, uuid, result);
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if (mediaServerItem == null) {
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WVPResult wvpResult = new WVPResult();
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wvpResult.setCode(-1);
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wvpResult.setMsg("未找到可用的zlm");
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msg.setData(wvpResult);
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resultHolder.invokeResult(msg);
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return playResult;
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}
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Device device = redisCatchStorage.getDevice(deviceId);
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StreamInfo streamInfo = redisCatchStorage.queryPlayByDevice(deviceId, channelId);
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playResult.setDevice(device);
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// 超时处理
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result.onTimeout(()->{
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logger.warn(String.format("设备点播超时，deviceId：%s ，channelId：%s", deviceId, channelId));
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WVPResult wvpResult = new WVPResult();
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wvpResult.setCode(-1);
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SIPDialog dialog = streamSession.getDialog(deviceId, channelId);
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if (dialog != null) {
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wvpResult.setMsg("收流超时，请稍候重试");
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}else {
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wvpResult.setMsg("点播超时，请稍候重试");
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}
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msg.setData(wvpResult);
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// 点播超时回复BYE
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cmder.streamByeCmd(device.getDeviceId(), channelId);
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// 释放rtpserver
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mediaServerService.closeRTPServer(playResult.getDevice(), channelId);
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// 回复之前所有的点播请求
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resultHolder.invokeAllResult(msg);
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});
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result.onCompletion(()->{
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// 点播结束时调用截图接口
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try {
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String classPath = ResourceUtils.getURL("classpath:").getPath();
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// System.out.println(classPath);
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// 兼容打包为jar的class路径
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if(classPath.contains("jar")) {
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classPath = classPath.substring(0, classPath.lastIndexOf("."));
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classPath = classPath.substring(0, classPath.lastIndexOf("/") + 1);
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}
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if (classPath.startsWith("file:")) {
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classPath = classPath.substring(classPath.indexOf(":") + 1);
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}
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String path = classPath + "static/static/snap/";
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// 兼容Windows系统路径（去除前面的“/”）
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if(System.getProperty("os.name").contains("indows")) {
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path = path.substring(1);
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}
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String fileName = deviceId + "_" + channelId + ".jpg";
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ResponseEntity responseEntity = (ResponseEntity)result.getResult();
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if (responseEntity != null && responseEntity.getStatusCode() == HttpStatus.OK) {
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WVPResult wvpResult = (WVPResult)responseEntity.getBody();
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if (Objects.requireNonNull(wvpResult).getCode() == 0) {
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StreamInfo streamInfoForSuccess = (StreamInfo)wvpResult.getData();
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MediaServerItem mediaInfo = mediaServerService.getOne(streamInfoForSuccess.getMediaServerId());
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String streamUrl = streamInfoForSuccess.getFmp4();
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// 请求截图
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logger.info("[请求截图]: " + fileName);
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zlmresTfulUtils.getSnap(mediaInfo, streamUrl, 15, 1, path, fileName);
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}
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}
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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}
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});
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if (streamInfo == null) {
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SSRCInfo ssrcInfo;
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String streamId = null;
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if (mediaServerItem.isRtpEnable()) {
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streamId = String.format("%s_%s", device.getDeviceId(), channelId);
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}
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ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId);
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// 发送点播消息
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cmder.playStreamCmd(mediaServerItem, ssrcInfo, device, channelId, (MediaServerItem mediaServerItemInUse, JSONObject response) -> {
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logger.info("收到订阅消息： " + response.toJSONString());
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onPublishHandlerForPlay(mediaServerItemInUse, response, deviceId, channelId, uuid);
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if (hookEvent != null) {
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hookEvent.response(mediaServerItem, response);
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}
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}, (event) -> {
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WVPResult wvpResult = new WVPResult();
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wvpResult.setCode(-1);
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// 点播返回sip错误
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mediaServerService.closeRTPServer(playResult.getDevice(), channelId);
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wvpResult.setMsg(String.format("点播失败， 错误码： %s, %s", event.statusCode, event.msg));
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msg.setData(wvpResult);
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resultHolder.invokeAllResult(msg);
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if (errorEvent != null) {
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errorEvent.response(event);
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}
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});
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} else {
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String streamId = streamInfo.getStreamId();
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if (streamId == null) {
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WVPResult wvpResult = new WVPResult();
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wvpResult.setCode(-1);
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wvpResult.setMsg("点播失败， redis缓存streamId等于null");
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msg.setData(wvpResult);
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resultHolder.invokeAllResult(msg);
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return playResult;
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}
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String mediaServerId = streamInfo.getMediaServerId();
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MediaServerItem mediaInfo = mediaServerService.getOne(mediaServerId);
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JSONObject rtpInfo = zlmresTfulUtils.getRtpInfo(mediaInfo, streamId);
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if (rtpInfo != null && rtpInfo.getBoolean("exist")) {
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WVPResult wvpResult = new WVPResult();
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wvpResult.setCode(0);
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wvpResult.setMsg("success");
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wvpResult.setData(streamInfo);
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msg.setData(wvpResult);
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resultHolder.invokeAllResult(msg);
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if (hookEvent != null) {
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hookEvent.response(mediaServerItem, JSONObject.parseObject(JSON.toJSONString(streamInfo)));
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}
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} else {
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// TODO 点播前是否重置状态
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redisCatchStorage.stopPlay(streamInfo);
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storager.stopPlay(streamInfo.getDeviceID(), streamInfo.getChannelId());
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SSRCInfo ssrcInfo;
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String streamId2 = null;
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if (mediaServerItem.isRtpEnable()) {
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streamId2 = String.format("%s_%s", device.getDeviceId(), channelId);
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}
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ssrcInfo = mediaServerService.openRTPServer(mediaServerItem, streamId2);
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cmder.playStreamCmd(mediaServerItem, ssrcInfo, device, channelId, (MediaServerItem mediaServerItemInuse, JSONObject response) -> {
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logger.info("收到订阅消息： " + response.toJSONString());
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onPublishHandlerForPlay(mediaServerItemInuse, response, deviceId, channelId, uuid);
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}, (event) -> {
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mediaServerService.closeRTPServer(playResult.getDevice(), channelId);
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WVPResult wvpResult = new WVPResult();
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wvpResult.setCode(-1);
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wvpResult.setMsg(String.format("点播失败， 错误码： %s, %s", event.statusCode, event.msg));
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msg.setData(wvpResult);
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resultHolder.invokeAllResult(msg);
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});
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}
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}
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return playResult;
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}
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@Override
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public void onPublishHandlerForPlay(MediaServerItem mediaServerItem, JSONObject resonse, String deviceId, String channelId, String uuid) {
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RequestMessage msg = new RequestMessage();
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msg.setId(uuid);
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msg.setKey(DeferredResultHolder.CALLBACK_CMD_PLAY + deviceId + channelId);
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StreamInfo streamInfo = onPublishHandler(mediaServerItem, resonse, deviceId, channelId, uuid);
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if (streamInfo != null) {
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DeviceChannel deviceChannel = storager.queryChannel(deviceId, channelId);
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if (deviceChannel != null) {
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deviceChannel.setStreamId(streamInfo.getStreamId());
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storager.startPlay(deviceId, channelId, streamInfo.getStreamId());
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}
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redisCatchStorage.startPlay(streamInfo);
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msg.setData(JSON.toJSONString(streamInfo));
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WVPResult wvpResult = new WVPResult();
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wvpResult.setCode(0);
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wvpResult.setMsg("success");
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wvpResult.setData(streamInfo);
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msg.setData(wvpResult);
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resultHolder.invokeAllResult(msg);
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} else {
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logger.warn("设备预览API调用失败！");
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msg.setData("设备预览API调用失败！");
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resultHolder.invokeAllResult(msg);
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}
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}
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@Override
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public MediaServerItem getNewMediaServerItem(Device device) {
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if (device == null) return null;
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String mediaServerId = device.getMediaServerId();
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MediaServerItem mediaServerItem;
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if (mediaServerId == null) {
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mediaServerItem = mediaServerService.getMediaServerForMinimumLoad();
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}else {
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mediaServerItem = mediaServerService.getOne(mediaServerId);
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}
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if (mediaServerItem == null) {
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logger.warn("点播时未找到可使用的ZLM...");
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}
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return mediaServerItem;
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}
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@Override
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public void onPublishHandlerForPlayBack(MediaServerItem mediaServerItem, JSONObject resonse, String deviceId, String channelId, String uuid) {
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RequestMessage msg = new RequestMessage();
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msg.setKey(DeferredResultHolder.CALLBACK_CMD_PLAYBACK + deviceId + channelId);
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msg.setId(uuid);
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StreamInfo streamInfo = onPublishHandler(mediaServerItem, resonse, deviceId, channelId, uuid);
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if (streamInfo != null) {
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redisCatchStorage.startPlayback(streamInfo);
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msg.setData(JSON.toJSONString(streamInfo));
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resultHolder.invokeResult(msg);
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} else {
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logger.warn("设备回放API调用失败！");
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msg.setData("设备回放API调用失败！");
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resultHolder.invokeResult(msg);
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}
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}
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@Override
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public void onPublishHandlerForDownload(MediaServerItem mediaServerItem, JSONObject response, String deviceId, String channelId, String uuid) {
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RequestMessage msg = new RequestMessage();
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msg.setKey(DeferredResultHolder.CALLBACK_CMD_DOWNLOAD + deviceId + channelId);
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msg.setId(uuid);
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StreamInfo streamInfo = onPublishHandler(mediaServerItem, response, deviceId, channelId, uuid);
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if (streamInfo != null) {
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redisCatchStorage.startDownload(streamInfo);
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msg.setData(JSON.toJSONString(streamInfo));
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resultHolder.invokeResult(msg);
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} else {
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logger.warn("设备预览API调用失败！");
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msg.setData("设备预览API调用失败！");
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resultHolder.invokeResult(msg);
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}
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}
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public StreamInfo onPublishHandler(MediaServerItem mediaServerItem, JSONObject resonse, String deviceId, String channelId, String uuid) {
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String streamId = resonse.getString("stream");
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JSONArray tracks = resonse.getJSONArray("tracks");
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StreamInfo streamInfo = mediaService.getStreamInfoByAppAndStream(mediaServerItem,"rtp", streamId, tracks);
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streamInfo.setDeviceID(deviceId);
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streamInfo.setChannelId(channelId);
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return streamInfo;
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}
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}
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